FR2398876B3 - - Google Patents

Info

Publication number
FR2398876B3
FR2398876B3 FR7722754A FR7722754A FR2398876B3 FR 2398876 B3 FR2398876 B3 FR 2398876B3 FR 7722754 A FR7722754 A FR 7722754A FR 7722754 A FR7722754 A FR 7722754A FR 2398876 B3 FR2398876 B3 FR 2398876B3
Authority
FR
France
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR7722754A
Other languages
French (fr)
Other versions
FR2398876A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PARS ENG CO Ltd
Original Assignee
PARS ENG CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB30908/76A external-priority patent/GB1590825A/en
Application filed by PARS ENG CO Ltd filed Critical PARS ENG CO Ltd
Publication of FR2398876A1 publication Critical patent/FR2398876A1/fr
Application granted granted Critical
Publication of FR2398876B3 publication Critical patent/FR2398876B3/fr
Granted legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/19—Means for fixing picks or holders
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/183—Mining picks; Holders therefor with inserts or layers of wear-resisting material
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/183—Mining picks; Holders therefor with inserts or layers of wear-resisting material
    • E21C35/1831—Fixing methods or devices
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/183—Mining picks; Holders therefor with inserts or layers of wear-resisting material
    • E21C35/1837—Mining picks; Holders therefor with inserts or layers of wear-resisting material characterised by the shape
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/187—Mining picks; Holders therefor with arrangement of fluid-spraying nozzles
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/188—Mining picks; Holders therefor characterised by adaptations to use an extraction tool

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Milling Processes (AREA)
  • Golf Clubs (AREA)
FR7722754A 1976-07-23 1977-07-25 Pic de haveuse et son montage dans un porte-outil Granted FR2398876A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB30908/76A GB1590825A (en) 1976-07-23 1976-07-23 Mineral cutter pick arrangement
GB5107776 1976-12-07
GB1985677 1977-05-11

Publications (2)

Publication Number Publication Date
FR2398876A1 FR2398876A1 (fr) 1979-02-23
FR2398876B3 true FR2398876B3 (es) 1980-05-16

Family

ID=27257801

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7722754A Granted FR2398876A1 (fr) 1976-07-23 1977-07-25 Pic de haveuse et son montage dans un porte-outil

Country Status (6)

Country Link
JP (1) JPS5328002A (es)
AU (1) AU513301B2 (es)
CA (1) CA1099302A (es)
DE (1) DE2732285A1 (es)
ES (1) ES461005A1 (es)
FR (1) FR2398876A1 (es)

Also Published As

Publication number Publication date
ES461005A1 (es) 1978-05-16
FR2398876A1 (fr) 1979-02-23
AU513301B2 (en) 1980-11-27
JPS5328002A (en) 1978-03-15
AU2726177A (en) 1979-01-25
DE2732285A1 (de) 1978-01-26
CA1099302A (en) 1981-04-14

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